2.3 SWITCHING THE DISPLAY BACKLIGHT ON / OFF
Press the
button once to switch the display backlight on. It
remains on for 20 seconds and then automatically switches off.
2.4 VIEWING THE MAXIMUM AND MINIMUM
RECORDED VALUES SINCE SWITCH ON
The instrument records the maximum and minimum gas values
for each sensor, since switch-on.
To view MAX / MIN values, proceed as follows:
1.
From the normal operating display, shown in Fig. 2.12,
press the
Fig. 2.12 Normal Operating Display
Press the
view the maximum gas values stored in the instrument.
button to switch the instrument backlight on.
button again, while the backlight is on, to
OPERATION
2-9